Posted by David T. Ashley on February 6, 2008, 8:04 pm
I have a Honda Shadow VT600C. No tachometer on it (just a speedometer).
I know it does 80 (measured with a GPS while the speedo says 85) and that
there is throttle left (just that I don't have the guts or reason to go
faster).
How do I know how fast I can safely cruise on the thing for long distances
without damaging the engine?
Without a tach, I have no idea how fast the engine is turning.
--
David T. Ashley (dta@e3ft.com)
http://www.e3ft.com (Consulting Home Page)
http://www.dtashley.com (Personal Home Page)
http://gpl.e3ft.com (GPL Publications and Projects)
Posted by Rob Kleinschmidt on February 7, 2008, 12:50 am
> I have a Honda Shadow VT600C. No tachometer on it (just a speedometer).
> I know it does 80 (measured with a GPS while the speedo says 85) and that
> there is throttle left (just that I don't have the guts or reason to go
> faster).
> How do I know how fast I can safely cruise on the thing for long distances
> without damaging the engine?
> Without a tach, I have no idea how fast the engine is turning.
I guess if you know your gear ratios and wheel diameter
you could probably figure out the RPM at a given speed.
My speedo is marked with shift marks and a red line but
I finally just fitted an aftermarket tach.
A tach for my twin with wasted spark (Harley "dual fire")
type ignition cost under $50 online and hooked right up to
the ignition system.
My bet is you could add a compatible tach for under $100
parts cost and install it yourself. You've likely either got
a "single fire" or "dual fire" type ignition and it should be
pretty simple to hook up. Do some online searching or
hit your local aftermarket shop.
Posted by David T. Ashley on February 7, 2008, 10:33 am
>My bet is you could add a compatible tach for under $100
>parts cost and install it yourself. You've likely either got
>a "single fire" or "dual fire" type ignition and it should be
>pretty simple to hook up. Do some online searching or
>hit your local aftermarket shop.
Will do.
Just one lingering question: how do I know the operating RPM of the engine?
I have no idea what redline is.
Is it published for this model (Honda VT600C)? I never saw it in the
owner's manual or service manual.
Thanks.
--
David T. Ashley (dta@e3ft.com)
http://www.e3ft.com (Consulting Home Page)
http://www.dtashley.com (Personal Home Page)
http://gpl.e3ft.com (GPL Publications and Projects)
Posted by Rob Kleinschmidt on February 7, 2008, 10:53 am
> >My bet is you could add a compatible tach for under $100
> >parts cost and install it yourself. You've likely either got
> >a "single fire" or "dual fire" type ignition and it should be
> >pretty simple to hook up. Do some online searching or
> >hit your local aftermarket shop.
> Will do.
> Just one lingering question: how do I know the operating RPM of the engine?
> I have no idea what redline is.
> Is it published for this model (Honda VT600C)? I never saw it in the
> owner's manual or service manual.
On mine, I figure 4000-5000 or a little more is a good freeway
RPM range but this could be a little different on your Honda
twin.
Posted by Turby on February 7, 2008, 3:55 am
wrote:
>I have a Honda Shadow VT600C. No tachometer on it (just a speedometer).
>I know it does 80 (measured with a GPS while the speedo says 85) and that
>there is throttle left (just that I don't have the guts or reason to go
>faster).
>How do I know how fast I can safely cruise on the thing for long distances
>without damaging the engine?
You shouldn't go any faster than 65 on that thing. And if you're going
that fast, be sure to keep in the left lane so you keep out of the way
of traffic.
--
Turby the Turbosurfer
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> I know it does 80 (measured with a GPS while the speedo says 85) and that
> there is throttle left (just that I don't have the guts or reason to go
> faster).
> How do I know how fast I can safely cruise on the thing for long distances
> without damaging the engine?
> Without a tach, I have no idea how fast the engine is turning.